The Understudy by David Nicholls
Recently divorced actor Stephen C. McQueen (no relation, unfortunately) seems to have a knack for bad luck. But a failed marriage, a stalled career, a judgmental ex-wife, a distant daughter, a horrid little studio apartment in the far reaches of the London suburbs–all these pathetic elements seem to pale in the chiseled face of his newest tormentor: the Twelfth Sexiest Man in the World, Josh Harper.